Chaplet-machine.



V B.B.KAHN.

GHAPLBT MACHINE.

APPLICATION FILED DEG. 24,1913.

Patented Sept. 29, 1914.

3 SEEETS-SHEET 1.

INIIIIWHEEF A MJ ' BERTRHND h FIHN,

. Inventor J- Witnesses (A). S ac Attorney B. B. KAHN.

OHAPLET MACHINE.

APPLIOATION FILED DBO. 24, 1913.

Patented Sept. 29, 1914.

3 SHEETS-SHBET 3.

Inventor Emma/v0 B." K 1 mm Witnesses: I

QZw

. PATENT OFFICE;

'nnnrnenni ihnnn, .or'omenmnr; omo, esszenon- 'IQ THE- ESTATE strove -oomrm, or HAMILTON, omo.

. onernE'r-m eomiwn.

Patented Sept. 29, 1914. 4 Seria 1No.808,518.

Speeificatiouot Letters fatent. Application sled December 24, 1913.

mog l conceimi t: Be :it known that L'Bm'rmno B Kai-n, afeitizenof the United-States, residing 1n I d nthe innerend of the lowermost of the I I lapping part of the walls, the lower end of this bridge bearing against the walloppothee cityyof cincinnetLq iHamilton oounty, site thewa-ll having the over-lap: 3, a chap- {fi' ohio -haniegimiented certa'in new anduseful let similarly formed exceptthet it has no 0; 'lmproitements-fifin jfCheplet-"Maehines, of bridge and no. perf0rations:4, a chaplet i 'h the following-is specification. slmilarj to those before mentioned exceptf-inizentio'n relates, to ain'eohine for the bridge. of this'eurved chaplet: 6, astrip ofproper dilofls'heet-metele I inensionto formsthe given cha'pletz" 7 the 1 1 entiiin'l-wilL- he readily understood Stripafteriit has'been. bent up to form the, from the-{following {deserifltiontaken in 'bottom wall and the two end walls-of the with the i i chine is concerned, Whether the metal-helper; mratedor lainyahd the machineis adapted."

- Fig .j:.' 7;.a rear elejmtion of the-main cam' and:

the :wipersy perts ap coring in vertica-l 'sec- 'for the ma ingof eha-pletsn ithor without-1; tion in theplanes of 'nes 'dland e of Fig: 2 bridges and-of curvedgorstraight form, and

.of; various dimensions or shapes differing 3;, i i' from the illustrated examples, according-;to T the charueter of the functional tools. .I will; now'describe the immediate instrumentali ties by means of which this Work 'isfdonef not-much attention being paid at present to no theymeo'hanis'm but giving functionalm'ol tion to these instruments. t Proceeding with the drawings :-11,- indieatss the frame of the machine, of general prog'ress1ve steps in the forcolumnar form 12, a knee at'the front of the 9.5,: tion'iot the chapletillnstrated in Fig. 9. basethereof: 13, a bed-die supported sepalfir'st describe exam les ofthe chaplets rably in' mdie holder on the knee: 14,11 table I v ducedva-nd'will; escribe, in a genat the feeding side of'the nmchine. with its I fleyi'gnd without reference to articw upper surface level with the top of the'hed- 45, lir-instrliin entelitie's theinethod of orming die: 15, alower shear-blade" at the feeding 1 00 thechzi'plets. I u Y side of the bed-die and'substantially even end-referringfor the reswith'the top of the bed-die: 16,'a top shearblade to cceperate with" the lower sheer v e I blade: 17, it stop projecting upffroin the bed g die such distance-from 'theicuttingfplane of lofi tie sl1ear-blades .-as corresponds with the length of the strip of, metal-employed in. forming the. chaplet,fsuch={as;the strip=6, t of w ,m-fle 1 p wim.-

sh e-am .o -Q ent only to.'Fi"gs 9- 120416 inclus ;'.e.1, indicates at eheplet ofreetangulerform and of v erfor temet1bentfupin the .form of a fxeeid d" 'inension nnd opn at two a t 'I nfetglProjectinginwardly 1 i evv pp i y rdly from the 0 p0 e1 acco anying-dreyvin'g's huplet':f8, the stripfaifter one oftheup-- I 'standing portions has been turned inward to 135; r o e lo offs ohaplet forrn part of the top wall: 9, the same when 7 0 im ihi 'iefg xg pl ify g my'y' lmprovement; I the inner end of the top wall has heenturned 24ejside oleifietipnz oiltheasa-lne (right. down to form thebridge Q'and g10,--the 0111 h d id .1-) with the reeeivin tapleted chaplet'formed'by bend-ing'do -ble. joini tted g;" 3 aj'vert-icel section o the portion of. the remaining up-stalndi'n'g Wall 2G shear-"in 'the*pla lie,lof,,line aofiFig.2;.Fig. Of' the example 9S0 thatits innerend will 7 5: 4n;"rerticekeeetion-Qf,theimechin"liithe;- underliejthe previously formed portion of I Plafi of l" b:'of-Figs..'-1, 5', Gland-v7 'Fig. thetop 'wall, 1 j f etion gofthe main. cam," its- "li'iyr present nachineis designedtowacia ,peziringgiurertical transverse see 'c6iiiplish thezvar l ousmen'tioned tu'rns'of the,

he planeiof -linec-of Figs. 2nd 4;. strip. It IS immaterial so fares myima'; 39 Fi 3 6. plgui ofi-the main earn and stripper die prdp er hid" hating- Marti sea at at;

pressing of the chaplet, the 'recessjbeing Illustrated asi'suitedto jthe ,formatio 'rpf such rectangular chaplets as are illustrated in.

' Figs. .9, '10 and 16': 19, across-head mounted to reciprocate in the frame, to the rear :of the bed-die: 20, ,a' core-digfrojecting forward from cross-headlt), an puer the bed-die, this core-die being of aform'adapted for:

' '10 the interior of the Chaplet to' be produced and being slotted fore and aft for the bridge 2, ifithe 'chapletf'is to have a bridge: 21, a.

f circular block on thtig 'rar end of the score-i die, this blockfittiriga circular recess in the icro'ss-he'ad -1 9', and serving as means for holding the core-die in that cross-head and for permitting its ready removal and renewal and substitution: .22, a set-screw in the cross-head 19, to serve as abinder for 20 the block 21, in'holding the core-diefirmly in the cross-headz 23, a wiper, illustrated as being pivoted to the frame, adapted to move in over" and on thetop of the'feeding side of the bed-die and over the recess 18, this i wiper or folder havinga fore and aft width equal at'least to that of the strip of metal to be dealt with, this wiper being disposed in the plane'of the 'rear partof the bed-die, the bed-die and corerdie having longitudinal so dimensions equalat least to twice the width 'of the strip to-be dealt with: 23, a wipersimilar to wiper 23fbut crossing inwardly. over the non-feeding side of the machine,

this wiper being disposd. in front of. the

- wiper 23 so 't hat fthe two "may overlapover the bed-die 24, a. second cross-head mounted for vertical reciprocation in front ofcross-- head 19, cross-head .24, being hereinafter spoken'of as the main cross-head while cross- 40 head lQ wilLflbe spoken of as the secondary cross-head a top-die carried atthe base of the inain cross-head over the core-die andi the recess in the bed-die and adapted to en gage the top o'f -the. co're-diez26, a longitudimil-strip carried 'by'the lower surface ,of the top-die and'adaptedto freely enter the slot in'the core-die: 27, a flange projecting -for-; ward from the s'econdaryc'rbSs-head through a vertical recess in main cross-head 24, which recess is of considerable height: 28, a helical spring "disposed" in; the -recess of the main -}.-cross'-he"ad and acting comprcssively between y: flange 27 and the roof the recess of the m'ain cross-head: 29, an adjusting .nut

threaded on awertical stud projectingup from flange 27fthis nut heing in position between the--- flange. and the foot of the' spring: 30, a spring havingits heel secured to table 14 and having itsforwardend near; the outer face of the'to- --loop carried by .theforward end of this spring, this'loop' being of,a-siie"to zpermit I the strip of stocl: topass throughit on its" .way'to the shear-bladc, and the'disposit ion' neme t the spring being such as to p shear-blade: 31-, a.

suspend the advancing endof'the' strip of stock above the level of the lowerl shear blade, the upper portion'of-the-loop-being below the outer portion of the upper she'are blade: 32, a stripper surrounding core-died -21 and normally lying at the rearlof the. coredie or at'the' front face of the secondary" cross-die: 33, a horizontally reciprocatingi stripper. frame'mounted in the 'main :frame and carrying the stripper blade at its for} wardend.- f1 if In the operationof the parts thu far-- re 'ferred to'a l'on strip" of stock is"toilm' fed; in over the tab e, resting on spring 30 and under the top' of loop 31 and between the d shear-blades and over the bed-die, its 'ad j vancing endbeing arrested by stop 17. The, elevation of the advancing end of the strip,

by the spring prevents that endlfromcatch ingagainst the lower shear-blade. "The l p-" per shear-blade now descends, forcesdowng the sprin and shears 'oflf'jthe strip leaying on the be -die a short strip of properileng'tli to form a chaplet. The core-die ,now d scends upon the middle portion of thisjs'ti p and presses that portion of it downiinto the recess of the bed-diecausijng the en'ds Io'f'the' strip to turn up as indicated in -'Fi g." 13; Wiper 23 now 'moves'inwardly, causing the strip to be "bent to the 'iiform indicatedf'in 5'" Fig. 14,the wiper at enema-mating; l3 die 25, now descends, its'-base-1iioely' pleting the bend e ffected by wiper 23, fist 26 on the top-die atthe same-tune bend the inner portion of thein'b'ent metal dow 1005 through the slot in the core-die and formi i the bridge '2'of'the chaplet. "The top-die v now rises .and stripper '32 advances and} pushes the partly formedj' 'chaplet forward? I l; on'the core-die and into the main forwii'rd' portionofthe recessin the bed-die. ;Wiperj 23* now moves in'and ben'd lieweigtlcal upstanding-portion of thefs tr p djlj'i over the core-die, and theniretreats'if'Th top-die, in descending again ,'-givesfexact ness and completionto this second told of i the metal, it'being understood'that 26 on :the to' -die doesnofiextend fully for ward in theow )ortionof thebed-die." This completes the chaplet, and when the l'iextii 11: forming chaplet is pushed 'jorwardrby the, stripper it will push the h'a'p iet' or otthej], 1 i core-die and discharge it, The arrangement. of the-niachine-is such that the twowipers move sinn'lltaneously, the rearwipcr act ring on one forming chaplet while the fron v.iper 23 acts on thepartly'iiormedchaplet'r which has been pushed .i'oi-walfd bj the strip}. per. An operation is thus" beirig' perfdrj'nie 'at once, and each iinpi'ilse'oftlieihstruments, ibring about the completion ,of one chapletgl ,=ExplilllIlllQH'jVill now e made of 'ithkae tu'ating mechanism for} giving functional motlon to the 'r-m'sftrunientnhtyfia d down to its work, I ting the tens on of medium of the sprin I ondary cross-head own simultaneously.

tion will be first given to actuating the cross-head.

Proceeding with the drawings :'-34, indicates a crank-shaft journaled forearm-aft in thetop of the frame and adapted to-be the mechanism for 'rotated,continuously by power: 35, a crank.

on the forward end of the crank-sha ft:'and 36, a. connecting-rod connecting the crankpin with'a wrist in the main cross-head.

The crank depresses the main cross-head, and the main cross-head, acting through the .28, pushes the sec-' When the core-die has bent the metal down into the bed-die then the core-die and .the secondary cross-head, being unable to descend comes to rest. 'The main cross-head Proceeding with the drawings -37 indi fl ychtes a rock-shaft journale'd in the front of rod having its lower end in arm 40, and having its upper end in engage.-' ment with cam 42, the upper end of the rod being tion roller where .sl1ea-rblade: 39, a link-connecting1 the ward extremity of the arm.3 8 wit the base of the machine under the heel the upper shear-blade: 38, an arm 'splincd on this roc shaft and the forward projecting arm of the shear-blade: 40,

a rearwardly projcctlng arm secured to the rock-shuft 37: 41, a spring holding therear end of this arm up and holdingthe u per shear-blade up: 42, a cam on the crank-s aft over the rear end of arm 40: 43, a vertical engagement on preferably provided with an anti-fricit engages the periphery of the cam: and 44, a helical spring surrounding rod 43 and sustainingthe weight of that rod and maintaining its upper end in engagenient with the cam and taking the weight of the rod 011' of arm 40;

At each turn of the crank-shaft the upper.

V shear-blade descends and shears off the strip shearing will take place before-the core-die- 17.and the lowers I p in the position of-the lower shear-blade ca s" of stock, as has been heretofore mentioned. Shear-cam 42 is to be so 'timed that this has descended u on the stock." The" length of stock required for various sizes and forms of chaplets will inmost eases call for an appropriate'width' of bed-die with ap ropriate position for sto fear-blade. 'Asthe chan e upper shearblade, s

I Attention will'now core-die begins its motion,

projecting forward un- "andfthe red dot a forwardly proiecting arm of the upgiertards the upstroke vary and this variationwill from rock-sh uch shifting is "taken care of by adjusting nismfonactuating thetwowipera.

. Proceeding with the drawings :"45- indicates a main frame of the arm38j along shaft 37; I begivento the mechaof and belowlthe bed-die, each of thes'ero'ckshafts having attached to it one of the wipe 23, 23, therelation of parts being such that the rockingofthe shaft will cause the active ends of: the-wipers to swing inwardly and downwardlylto effect the inward and downward bending of the metal as heretofore explained: 465a cam fast on'the crank-shaft: 47,11 vertical sliding rod disposed below? this cam and having its upper end'i'n engagement .with the :cam, and, preferably'armed with an anti-friction roller: '48, a horizontall slidingyokeonithe lower end-ofthis Kr which rod slides-through a suitable'vertical' bearing in the frame: 49, a collar fast on-the" rod, belowits bearings: 50, a spring-coiled on the rod between this. llar and the bear- 45 and ing: .51, arms fast "on rock-shafts having eachapin engaging th'e slot 10 pair; of rock-shafts mounted 1n the 'machine', one at each side 1 rodfi] Normally the parts of .the .wip

a latent;

7, the yokejbe 'ilfeachitumffof the cain itsas before explained, {they wigerslthen-separat ing and the yoke-and r0 ":ri'smg-a-gain. to normal position,

Proceeding 1' L rs being-intheir outer-.- 1 00 activercam elernents-forcefthe;rod and yoke dpwnfandzcauses thelwiper to-move lnwa-r ly and fdojthework upon the metal l ,nismwill be:i n, the'posit ig1i1 indicatedin Fig.

' ns-ii its pe l lnestipo i held.up' tocthe-cam-by 105. 1y ree reventsf'.

cafes a verticalmoclg-shaft 'mountedrongthe rear of the machineito dneiside-of-strippen frame 3 3z.fi,iarms' projeetin xjfrom this. rockshaft; and having slotted extremities straddling stripper-.frame.'33,1and cage '11 a pin thereon,*-so that,as-the shaft .isroc e the arms willsoscillate and reciproca };the-. strip r-frameandsupper-2. .55,a coile upoiirock-shaft 53,- and sionally to hold .the .rock-shaft a no trated m chanism for. actuating .th t i 'per32. V

acting L imp sitio correspondingwith the normal-idlamut'p g; l

sition of the stripper; 56 'an arm-pr. in

asa, to neitrthe emf-hie "cam 46: 57; a conical roller mounted on'the l axis parallel front face of cam .46, with its with the face oftheeam, this rollerrbeing for a corresponding lateral .shiftingof adapted, ateachturnof the calrb oyqngggeam 57 rocksrsh'aft "s3; and forces U gismieaiisg'through;

may. be operated byjb'ltpower d strip-9f.metalbeingffediiitdithe mit 1 Ate'achtum'of the'crank shetfith roll I returning'il the on the oore die', spring stripperl-to nornial'position atersons. the.

' roller shnlhhztve past 'tl1e":irni. The normal. positien'iot the stripper 'i's' backi'zigain'st' the secondary cross-head, 'a nd the'fextenfiof the active stroke of the stripper" may "he aid nsted, inf :inl. obvious manner. ;by; shi ftingroller 5fI-,.radial-ly on'thecam. The stripper W ll being dealt f'with' increased I Description has been given'o f thebends; to bewproduecd-neonthenietal, 'and ofthe instruments for doing the Work, and of the 1' 5j n'echanisn'1 for giving the instruments their r. tnn'ctional motion. The movements of the parts are tube/so timed, relative flibj egtqh other, that; a. strip of stock'lia ving'heen in over the bed-die, the shear closes' leevingi Ytion of-the'qbcd-die; the core dieljdescends of tlfLQFtOp-Wtill I the stripper pushes the partly "completed eha'i'plet forward the core-die; this moving forward of the 'phrtlyij 49 completed clraplet'pushes o fi of the coreidie a, previously completed Chaplet. As the- 'ear-mostfly'ipermoves inward to bend down one upstanding wall of metal; the fore-most .ii'iper. bends inwardthe second upstanding wall of the ehnplet which has been pushed.- forward upon the eore-dieyia nd. the .t0p;die.

in descending. to bend the bridge upon the) p'l etely if necessary, pressidown the tdp-iygnlh 5Q portion wflfQlll whieh 'th'e' bridge isformed,

slim dtn'neonsly presses down the second upstanding wall of-thechaplet which has been shifted-forwardly upon the core-die and had its-second upstanding well bent inwardly by the forward wipelii- 1 7 In the-:constructiori; and onf'ofl the n qehinc as thusf far-lreferi'edf tn; roiiision. is made fonop'eratmgsimultaneous en the i 'um me'hends of two eh'aplets, one of'jlwhich so has been jl pushed forward into the front field of cphrtion'of-the second Wiper; Un-i derthisgmode ofloper'ation the wipers would have the genera cmzst'ruction illustrated in.

Fig. [8,"0ne beii' forward of other.

Thesejnipersgdo not-ior need noti ove 1nfar as the enter of? th fiicient thah they downthe zupstanding "sides of the let, ,..'The consequence is thet'in certain f chaplets, such for instance as that dgin Fig. 10, the two wipers may -t 'simnltnlieously-iiponone chaplet, theaet'iv'e; endyofetheforwnrdwiper in such case being'disp'os ed geari'yerd as indicated at 23 Fig, {8. But- -'in 'ase ave 1 a bridge .to be 'bent 26 on t'he lower faee of provision mustbe made have the top-die act-Ton thcbent-down per tions sofjasjto' finttenthe top of the chaplet. finch: other provision is made; as 'willbe .-h1ter explained, and consists, he d, in shifting the jchapl core-die after-i the side turned in, and acted upon .by

the chaplet-"isto down by the (strip the top-die, other? if it 'be desired togcnerally sta-tt at forward'on the,

Walls have been then causing the chaplet to be the succeeding stroke of the require 'to-Jhmfe :111 active strokeq in g din extent when the iiidth of s beenexplained, in connection .with that the crank pushes -the main crossheaddown, the main c'rosshead simultaneously-pushing the-secondary crosshead down ,nntil the'letterisjarrested'gfthe spring 28 'permittingjthe-main cross-head to continue the tension of spring 28 being e-die to do its bend;

s-that the upper abut againstfthe tnient being s'u'f crosshcad, inits sshead, being-t0 crosshend'and to permit" proper time. If the sec; ondary 'crosshead was of sufficient weight ie to do its bending would be quite unneces-- obviousfthat; a n le',the second;-

' sustained ,by izing the.actuain crosshead,,i can bedone by anisin for lifting T'the secondary ,snflicient to cause the cor ling Work. "It will be ob end of spring 28 need not Hmaincrosshead, a fixed abu fieient theduty of the main -action onthe secondary cro lift'the secondary of itscleseent at to "cruise the crossd ivork then spring 28 saw: and; of course, Wlllll in the illustrated ex ary crosshead is lifted an the main Grosshead, thus vutil ating mecl1anism of' the in such lifting and sustz'iining any other suitable '1neeh and sustaining "a nd lowe ycrosshead in proper time. F .In the illustrated-ex *pushes a partially torn on .the'corc-die, and the. considerable in excess ehapletL If the chapl bridge; pr if it is not for a second bending '0 course; the core- @0111 to :the width of;the ,ch ri'pperfwould become in erel discharging the-ch g It; will, of eon n efi i vmptehe I signed pzn-ti'culiir'ly' fo lets for; founders us the formation of artic ample. the stripper cd ,chajilet forward core-die is of length of; the .width got the ct is notfto have :i to be shifted forward iltion npon'it, then, ave a length aplet, and the i y an agent for plet from the xnnchi'nev Y be "understood that the led herein, ,while der the forming of chapmay be of utility in les othefithz n 'founother articles of various forms. ot

*varidus modifications without departing slotted form the bottom and upstan 'thechaplet, wipers disposed above the bed- 25.

from the spirit of my invention. -Iam'seek'-- in" sim ly to set forth the rineiple of m in entio ii and the best forni inwhich I a t present contemplate embodying that principle. 1 'I'" claim':. 1. A chaplet-machine comprising, a bed die having in itsv uppersurface; a recess adapted to the'bott'om andend walls of'the chaplet to be produced, a :longitudinally core-die extending transversely across the bed-die and adapted to move downwardly into the recess thereof and bend a strip of metal overlyingthe recessto dieand at the sides of said recess and adapted to move inward and bend down said upstanding walls to form thetop of the chaplet, a vertically movable strip disposed above the recess and adapted to bend the inner end of one of the walls downward through the slot in the core-die, and mechanism for moving the core-die and strip and wipers, combined substantially as set-forth.

2. A chaplet machine Comprising, a beddie having in its upper surface a. .recess having a depth equal to the verticalheight of the chaplet tobc produced and adaptedto the bottom and end walls of the chaplet to.

be produced, a core-die extending transversely across the bed-die and having a ver tical dimension equal to the depth ofsaid recess and adapted to move downwardly into the recess thereof and bend a-strip of metal overlying the recess to form the. bottom and upstanding walls of the chaplet, wipers disposed above the bed-die and at the sides of said recess and. adapted to move and wipers, combined substantially as Set.

fee

inwardly and downwardly and benddown said upstanding walls to form the top of' the Chaplet. a shear disposed across the top of the bed-die at its-stock-entering end, a stop projecting up from the face of the bed-die on the opposite side of the recess, and serving to arrest the advance of a strip fed for ardly over the bed-die, and mechanism for moving the core-die and shear forth.

3. A chaplet machine compris1ng,'a beddie having in its upper surface. a recess adapted to the bottom and end walls of thechaplet to be produced, a core-die extending transversely acrossthe bed-die and adapted to move downwardly into the recess thereof and bend a strip of metal overlying ng walls of.

to the field of action of the second wiper,-

the recess -togformgthe. upstand- I .ing w'u'ue. oil-the. Z cha let,:;;vv'ipers d sposed atthasides ofs'aid' above the bB d-dlBi- EII recess and adapted to-moveinwardv and bend down: said -,upstandin'g".=walls to form. the top of the chaplet', .a perforated-str1pper surroundin van d-.-isliding onfsaidcoredie and movab' e 1.outwardlythereon, and

mechanisrnrior' movingilthe's-core-die and stripper and ,wipe'rs, combined substantially assetfoithe 14. A chaplje machine comprising,- a" beddie having' -ip-width equal at-least to, twice the widtlr of the-.strip-of-metal from. which the chaple't s.

toibe, madev and having 1n ItS-IIPPQDAl SlIPEfQI-CG a..rece'ss.adapted to the bottom'rand end walls ofthe-ch'aplet to be produced, a. core-die extending .:transversely across the iwidth of thebed die and adapted to move downwardly into therecess thereof and benda s'tri of metal overlying therecess to form t e bottomiand. npstanding walls of the chaplet,- awiper disposed above.

the bed-die and at one side-ofsaid recess and adapted to move inward'jover the' rear of the bed-die and bend down one of said upstanding walls so as to form a portion of the top of the ehaplet, ,a wiper disposed above thebed-die at the. side of the recess opposite the first-mentioned wiper and adapted to move inward and bend down' the remaining upstanding wall of the chaplet whose first upstanding wall was bent down by the first-mentioned wiper, and mechanism for moving the core-die and wipers, combined substantially as set forth.

5. A chaplet machine comprising, a beddie having a width equal at least to twice the width of the stripof metal from which the chaplet is to be made and having in its-upper surface a recess adapted to the bottomand end walls of the chaplet to be produced. a core-die extending transversely to, move downwar y into therecess' thereof and bend a strip of'metal overlying the recess to form th bottom and "upstanding walls of the ehaplec, a wiper disposed above .the bed-die and at one'side of aid recess and adapted to move inward over he rear of the bed-die and bend down one of said upstanding walls so as to form a portion of across the width ofi the bed-die and adapted the top of the. chaplet, a'wiper disposed above. the bed-die at the side of the recess opposite the first-mentioned wiper and adapted. to move inward and bend downv the remainingjupstanding wall ofthe chap let whose first upstandingwallgflvaa;bent; dowxr by l the f. first-mentioned wipen-jlhnd mechanism for moving the .cdre-die and wipers for shifting a partially formed chaplet forwardl on the coreie, to bring .it

its

from/the fie d of action offthe first wiper i combinedsubstantially as. forth,

' when hich 'thechaplet material is .to be bent, and a s'tripper'surroundingthe eoreie and adaptedto shift a chaplet forwar to. a

6. A chaplet machine com rising in its mechanism, a core-die comp etely around ljnew field of operation upon the core-die,

'the core die'having a lengthat least'twice:

the width of. the chaplet-tobe produced, coniliinodsubstantlallyasset fort Y u it -" 7; "A ch aplet' machine comprising in mechanism, a core-die on which thechaplet material is tote-bent, and a stripper co-acting with the'core-die and adapted to shift a lfi'fdi-wa d uponthe core-die, the coredie having a length in excess of the width of 'the cha'plet to be produced, and being prov vided'with a longitudinal'slot open at its top (permit the presence and shifting of a 8. A chaplet machine comprising i in its mechanism, "a fixed lower shear-blade, a mov.-. able" upper shear-blade, a' table onwhich .a

'strip of metal may rest in passing to and between theshea'r-blades, and a springsccured to said tabl'e'and having a free end'near the shear-blades and adapted tofsupport .the strip of metal ina plane above'thelevel of "the lower-shear blade and .to yield when the 1 upper shear -blade makes its active shearing f motion, combined; substantially as set forth.

9.-'A chaplet machinecomprising' in its mechanism, a fixed lower shear-blade, a mov- 001'3'5 able upper shear-blade," a table on which a 's'trip'of neta-l may rest in passing to and between the shear-blades, a spring secured.

to said table and havinga free end near the shear-blades adapted .to support the strip of metal in a plane above the level of the lower shear blade and toyield -'when the upper she'ar-blademakes its active .shearing'mo ,ti'on/anda loop carried by the free end of the spring' and adapted to-limit the rising of the strip of metal as it approaches the shearblade's, combinedsubstantiallyias set forth. 10. .A .chaplet machine comprising in its mechanism, a bed-die having a recesshs deep as the chaplet to be formed,fand a pair of wipers [pivoted on axesbelow and at the sides of the-'bed-die' and disposed normally above the' bed-die and adapted to swing; in wardly and downwardly over the be -die,

. cs5. combined substantially as set forth.-

g; ,11; A ehaplet machine comprising, a vertically reciprocating crosshead- ,provided .wi'th a socket having a horizontal axis, a

ago

bed-die "disposed entirelydn front of the plane of said crosshead and having a hori zontal recess in its upper surface, a block secured remni'ably inthe. recess outs crosshead a'c'gire-die adapted to .therrcessin the be -hexa e having. its heel rigidly secured to'said block and having'the balance of its length free'from attachment,- and 's'm'am in a chaplet completely surrounding" ghe core-die, combined substantially .as set. orth.

crosshead. inxfron tbf th m h tioned .crosshead and. ada tedto cooperate stantially as set 12. a Chaplet m i y mpiisipg the" with the bed die-andcoreie, combined sub mechanism, a bed-die,f'a vertically movable main crossheadovepthe bed-die, a top-die carried b said main crosshead, a secondary crosshea. dis osed at one "side of; thetb edk die and tope, 'ac'ore-die carried' byth csecondaryerosshead, a flange projecting under a port-lonof the main'crossheadffrom the secondary crosshead, and a spring com;-

pressed between said flange and the pa rt of the main crosshead above *it, whereby-the two crosshea'ds, rnay descend "together and then the main ciosshe'adcontinue its descent after the movement ofthesecondary cr'osshead has been arrested, combined substana ,tially as set: forth. I

13. A chaplet machine cornprisingiin.its mechanism, a bed-die, 'a 'yerticall'yqnovable main crosshead -ojve'r the bed-die," atop-die carried-by said main crosshead, aseconda'ry crosshcad disposed at one side of'the beddie and top-die, a core-die carried by'the secondary'crosshead, a flange projecting-un deraportion of the ma'in'crosshead from the secondary crosshead, a spring compressed between said 'fla'nge andthepart of themain .crosshcad aboveit, whereby the twojcross heads-niaydescend together and then the.

main crosshead-continue its descent after-the movement of the seoondaryri'oss'l ead has been arrested, and means for adjusting, the

' resisting tension ofsaid spring-,, com b ined ing said rod and serving to hold the wipers in their mostseparat'ed position", and a cam for depressing the-rod against-the resistance of said spring and '=sr-:rving to movethe Wiperstoward each other, combinedsubstantially as set forth. 15. A chaplet machine-comprising in its towardeach otherja rod adapted toslide yertically between' tl'lefend ofrsaid arms, a slotted yoke; on the'end of said 'rod and en;

agin studs inisaidarrns, a spr'ng su port; i ng sa idrod and serving t -hold the v iipers intheir most-separate position, a cam for depressing'the 'rodiagainst the resistance of said- 5 ring and fs'ervin to move the wipers 'towa each'otheniand-a springserving to cushion the motion of said rod n-itslreturn after said camhas acted uponit'; combined suhstaiftially as set forth.--

mechanismQa pair of pivoted wipersyarms connected with said wipers and vprojecting 16. *A' chap let machine coinprisin its mechanism; abed-\plateyacrosshea .rec'i .rocating at right angles to thel facegof t e bed-die, a' core die carried by; 'the crossheac'l and prO ectm over the bed-die, a stripper v arms engaging pins on the stripper-frame, anarm pro ectingfrom s'aldwrook-shaft a rotating member carried by the crank-shaft,

surrounding t ie core-die, aiframejear g said stripper a cr ank -shaft disposed a ove the level'oft e core-die, a rock-fsh'afthaving arms engag ng pins on thestripper-frame;

an arm prqecting fromfsaid rock-shaft, a,

rotating member, carried by the crank-shaft;- a pro ection from, the side of saidfrotating, inemberadaptedto engage; said arm and;

bring about the mo ement of the stripper upon the core-(lie; and a sprmg servmg to return the stripper to normal position, eon 1- bined substantially asset fort-h.

17. A' chaplet machine comprising in" its mechanism, a bed-plate, a erosshead-recipro-fl eating at ri ht angles tothe face of the bed-.

' (1ie, a coreie carried by the crosshead and ro ecting over the bed-die, a stripper sur-.

rounding the core-die, a frame carrying said stripper, a'crmik-sh'aft disposed abovethe level.-of,the core-die, a rock-sl afl; having aroller ournaledin the side 'of sa'id rotating member with lts ax sa't' right anglesjto the c axis of the crank-shaftandadaptedltofengage said arm and bring about ih'e' move 'ment of the stripper upon thejcore-dio, and- I a spring serving toreturnthe. sti'ip1;iei to' normal position, combinetlf substantially as set forth.-

18. A chaplet machinecomprising in its pmechanism, a, bed-plate, a cross-head reeiprocating at right anglesto the face of the bed-die, a core-die carriedbythe'orosshead and projecting over the. bed-die, stripper surrounding the core-die, 'a frame carrying said stripper. a crank-shaft"disdm, :1 rock-I posed above the leveljof the cor shaft having arms engagingpinson the strippor-frame,an arm projecting;from said rock-shaft, a rotating member carried by the crank-shaft, a roller-carriage mounted for radial adjustment inthe sido of said'rotating member, and a conical rollermounted in said carriage and a-da'ptedfto engage said arm and-bring about: theinovemerit-of the stripper upon the; core-die, :and; a spring serving to: return the stri per to normal'position, eon 'b'ined substantiallya's set forth, 1

l9. Acha let-machine comprising,'a main fraine,abe -die-supportedthereby, a mam cros'shead-inounted for-vertical reciprocation iaboyefithebed-diene top-diecarned bys 'aid mainfi cros'shead, a secondary crosshead mounted at one side of the top-die and bed: .die," a core-die "carried by the =-secondary c'ro'sshead and projecting between the beddie and topdie, alfspring connecting the main and .secondary crossheads to permit the maincross'head to continue its motion after the" secondary crosshead hes'fcome to rest, ashear. atthe stock-entering side of the bed-die, a crank-shaft, a connection from the crank 'of said crank-shaft to said main crosshead, a shear ng 'ca'm carried by the crank-shaft,connections between the shear-- mg cam and theshear to bring about the.

aetuation'of the-shearat each turn of the crank-shaft, a pair of wipers moved inwardlyand downwardly over the bed-die, a -u iper;cain oii' the crank-shaft, connections hetu'eeu the wipers and the wi'per-canr to turn of' thefc anlesliaft, a. strip 'mrmounted for niov'mn'ont'on the coredie, a ])1'0]Ct10l1 from the side of thewiper-cam, and connec-,

'ti msflwtn ccn said stripper and project-ion .t'o muse the stripper to bQlllOVGd upon the. cmre-die ':it- 'each' turn of the crank-shaft;

combined substantiallyas set forth 20. -A-'chaplet machine comprising 111 its lneoha-nismra bed-die, a vertically movable 'nmin crosshead'over the bed-die, a top-die earnedbythe main crosshead, a secondary crosshead disposed at one side of the topd a (medic carried by the secondary "ciiosslwad,and means for giving vertical "mution'to the two crossheads and for moving; the main cl'ossllead vertically a ter the secondary crossheml (comes to reshcombined snhstaetially as set forth. y y

p p 4 nen'rnam) B. KAHN, .llVi-tn ssesz 7 1 f J J. Pam. ScUunnn,

M. S. Bremen. 

